My day Hi, today I was go to university for the purpose of help to the teachers with the practices, the laboratory of operations unit (LOU) has various system between then "Cooling Water System", "Filtration of liquid" and "Drying Solid System". The cooling water system has a tower induced draft counterflow of one cell, while in the process drying discontinous we drying mois sand (89% sand, 11% water) for 25 minutes. The filtration was with dirty water that thanks you to one filter of plates and the soil diatomaceous the water is clarified. Thanks for reading!!, also appreciate corrections :D Happy day people Italki